The 42-piece set of Tegu Magnetic Wooden Blocks expands play with wheels and more pieces in more shapes than smaller sets. Includes nine shapes: four tall columns, four medium columns, six mega planks, six long planks, six short planks, six cubes, two parallelograms, four short angles, and four click on magnetic wheels. Block play develops eye-hand coordination, motor control, and spatial awareness and enhances cognitive, language, and math skills, creative thinking and problem solving. Magnets introduce science and the principles of magnetism. Designed in the USA. Made in Honduras of sustainably sourced Central American hardwoods with safe, non-toxic, water-based lacquers for colors and clear coat.